Business Combinations (Summary of Allocation of Tangible and Identifiable Intangible Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands		Jun. 30, 2022	Sep. 14, 2021	Jun. 30, 2021	Jun. 30, 2020
Business Acquisition [Line Items]
Goodwill		$ 400,144		$ 331,159	$ 331,159
Ipanema
Business Acquisition [Line Items]
Cash and cash equivalents		1,364	$ 1,364
Accounts receivable, net		1,434	1,440
Inventories		274	337
Prepaid expenses and other current assets		610	1,841
Property and equipment		46	46
Other assets		21	21
Accounts payable		(976)	(1,220)
Accrued compensation and benefits		(1,837)	(2,304)
Accrued warranty		(41)	(41)
Other accrued liabilities		(122)	(71)
Deferred revenue		(10,134)	(2,758)
Deferred taxes		(4,320)
Other liabilities		(723)	(723)
Net tangible liabilities		(14,404)	(2,068)
Identifiable intangible assets		16,300	16,300
Goodwill		68,985	56,649
Total intangible assets acquired		85,285	72,949
Total net assets acquired		70,881	$ 70,881
Ipanema | Adjustments [Member]
Business Acquisition [Line Items]
Accounts receivable, net	[1]	(6)
Inventories	[1]	(63)
Prepaid expenses and other current assets	[1]	(1,231)
Accounts payable	[1]	244
Accrued compensation and benefits	[1]	467
Other accrued liabilities	[1]	(51)
Deferred revenue	[1],[2]	(7,376)
Deferred taxes	[3]	(4,320)
Net tangible liabilities		(12,336)
Goodwill	[1],[2],[3]	12,336
Total intangible assets acquired		$ 12,336
Aerohive Networks, Inc.
Business Acquisition [Line Items]
Cash and cash equivalents					44,158
Short-term investments					45,148
Accounts receivable, net					11,753
Inventories					19,232
Prepaid expenses and other current assets					3,924
Property and equipment					2,364
Operating lease right-of-use assets					6,336
Other assets					2,195
Debt					(20,000)
Accounts payable					(9,737)
Accrued compensation and benefits					(7,129)
Accrued warranty					(570)
Other accrued liabilities					(1,960)
Operating lease liabilities					(4,752)
Deferred revenue					(68,415)
Other liabilities					(483)
Net tangible assets					22,064
Identifiable intangible assets					52,500
Goodwill					192,582
Total intangible assets acquired					245,082
Total net assets acquired					$ 267,146

[1] measurement period adjustments attributable to the Company’s review of the additional information being obtained on preacquisition assets and liabilities

[2] the increase in deferred revenue (and the corresponding increase to Goodwill by the same amount) is the result of the adoption of ASU 2021-08 in the period ended December 31, 2021

[3] establishment of deferred tax liability.